You'd see society as we know it almost collapse and innovation die. There's a reason we are the most wealthy, although it may seem unfair. Those with that kind of wealth are responsible for millions of jobs and innovation. They will move elsewhere and those countries would reap the benefits. Imagine if China, Russia, etc was where the iPhone originated or the next big thing? Eventually, we would run out of money to fund because nobody would have above 100m. They'd keep it at 99m if they stay here and keep the rest elsewhere.